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fuel pressure regulator

Discussion in 'A3/S3 Forum (8L Chassis)' started by 1mran, May 28, 2007.

  1. 1mran
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    1mran New Member

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    [May 28, 2007]
    Hi does anyone know what fuel pressure regulator is on an audi s3. is it 3 bar or 4 bar.
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  3. CLS3
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    CLS3 Every penny goes on the Audi!!

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    [May 28, 2007]
    Pretty sure it's 3bar, i think a 4bar one people put on as an upgrade. HTH
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  4. HTC
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    HTC Active Member

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  5. 1mran
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    1mran New Member

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    [May 29, 2007]
    thanks for the replies would there be any performance gains on adding a 4bar over the standard 3bar then. just curious thats all
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  6. Aky
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    Aky Aky

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    [May 30, 2007]
    I asked the question when I got mine remaped at JBS. They said unless you have a big turbo it would be a waste of time.
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  7. dultanur
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    dultanur all promises, no action :)

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    [Jun 2, 2007]
    originally it is a 3 bar. some tuners want you to switch to 4 bar with a remap (like Revo), but most others stay with the 3. BT usually get the 4 bar.

    on its own a 4 bar FPR would do nothing for performance.
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